The IMX3102 is a 2:1 I3C basic bus multiplexer switch with integrated Temperature Sensor for I3C and I²C applications. It is designed to be used for various motherboard applications.

There are two master ports (Master port 0 and Master port 1) and one slave port. Any one of those two Master ports can be selected as Active Master which has the control of the slave port as well as the IMX3102 itself.


  • 2:1 bus multiplexer
  • Two wire programmable I²C or I3C bus serial interface
  • Single device load on the Host bus
  • Up to 12.5MHz transfer rate
  • Single 1.8V power supply input
  • 1.0V VLDO output at VIO pin
  • Supports 1.0V, 1.1V, and 1.2V Push-Pull IO levels
  • Supports 1.0V, 1.1V, 1.2V, 1.8V, 2.5V, and 3.3V open-drain IO levels
  • Integrated Temperature Sensor; 0.5°C accuracy with 0.25°C resolution
  • Packet Error Check (PEC) function, Parity Error Check function
  • Bus reset function
  • In-band interrupt (IBI)
  • Programmable I²C, I3C bus addressing scheme
  • 9-contact thermally enhanced DFN package
  • Temperature: Industrial range of -40°C to 85°C




Type Title Date
Datasheet - Short-form PDF 31 KB
Product Change Notice PDF 437 KB
Product Change Notice PDF 396 KB
Overview PDF 807 KB
4 items

Design & Development